Make compositing mode sticky when RenderView is reused in LayoutTests.

content/renderer/render_widget.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 639 matching lines @@
   // The time spent in input handlers this frame. Used to throttle input acks.
   base::TimeDelta total_input_handling_time_this_frame_;
 
   // Indicates if the next sequence of Char events should be suppressed or not.
   bool suppress_next_char_events_;
 
   // Set to true if painting to the window is handled by the accelerated
   // compositor.
   bool is_accelerated_compositing_active_;
 
-  // Set to true if compositing has ever been active for this widget. Once a
-  // widget has used compositing, it will act as though force compositing mode
-  // is on for the remainder of the widget's lifetime.
-  bool was_accelerated_compositing_ever_active_;
-
   base::OneShotTimer<RenderWidget> animation_timer_;
   bool animation_update_pending_;
   bool invalidation_task_posted_;
 
   // Stats for legacy software mode
   scoped_ptr<cc::RenderingStatsInstrumentation> legacy_software_mode_stats_;
 
   // Properties of the screen hosting this RenderWidget instance.
   blink::WebScreenInfo screen_info_;
 
@@ skipping 50 matching lines @@
 
   ui::MenuSourceType context_menu_source_type_;
   gfx::Point touch_editing_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_